Frequencies for legampbuci variable in pchrr2012 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Black Upper | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- 1.089 | 1 0.33 0.33 1.209 | 1 0.33 0.65 1.559 | 1 0.33 0.98 1.843 | 1 0.33 1.30 1.931 | 1 0.33 1.63 1.961 | 1 0.33 1.95 2.033 | 1 0.33 2.28 2.116 | 1 0.33 2.61 2.13 | 1 0.33 2.93 2.149 | 1 0.33 3.26 2.184 | 1 0.33 3.58 2.274 | 1 0.33 3.91 2.285 | 1 0.33 4.23 2.307 | 1 0.33 4.56 2.314 | 1 0.33 4.89 2.381 | 1 0.33 5.21 2.394 | 1 0.33 5.54 2.462 | 1 0.33 5.86 2.481 | 1 0.33 6.19 2.483 | 1 0.33 6.51 2.524 | 1 0.33 6.84 2.525 | 1 0.33 7.17 2.551 | 1 0.33 7.49 2.565 | 1 0.33 7.82 2.595 | 1 0.33 8.14 2.669 | 1 0.33 8.47 2.685 | 1 0.33 8.79 2.703 | 1 0.33 9.12 2.829 | 1 0.33 9.45 2.845 | 1 0.33 9.77 2.888 | 1 0.33 10.10 2.968 | 1 0.33 10.42 2.986 | 1 0.33 10.75 2.997 | 1 0.33 11.07 3.062 | 1 0.33 11.40 3.094 | 1 0.33 11.73 3.095 | 1 0.33 12.05 3.13 | 1 0.33 12.38 3.195 | 1 0.33 12.70 3.324 | 1 0.33 13.03 3.347 | 1 0.33 13.36 3.363 | 1 0.33 13.68 3.365 | 1 0.33 14.01 3.488 | 1 0.33 14.33 3.5 | 1 0.33 14.66 3.656 | 1 0.33 14.98 3.676 | 1 0.33 15.31 3.721 | 1 0.33 15.64 3.826 | 1 0.33 15.96 4.124 | 1 0.33 16.29 4.28 | 1 0.33 16.61 4.757 | 1 0.33 16.94 4.859 | 1 0.33 17.26 4.951 | 1 0.33 17.59 5.245 | 1 0.33 17.92 . | 252 82.08 100.00 ------------+----------------------------------- Total | 307 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018